Bunch-builder attachment.



I. LYLE.

BUNCH BUILDER ATTACHMENT. APPLICATION FILED MAR. II. 1915.

1,149,930. Patented Aug. 10,1915.

` caLuMBlA PLANcaRAPH c0..wAsHING1-0N. D. c.

' Airs rar Erica.

JESSE LYLE, OF DANVILLE, VIRGINIA, ASSIGNOR 0E ONE-THIRD '10 SAMUEL S.

EPPERSON ANI)Y ONE-THIRD TO- H. L. GINIA.

T0 all whom t may concern Be it known that I, JESSE LYLE, a citizen of the United States,'residing at Danville, in the county of Pittsylvania and State of Virginia, have inventedv certain new and useful Improvements in Bunch-'Builder -Atl tachments, of which the following is a specilication. f

This invention'relates to improvements in spinning machines and more particularly to bunch builder attachments for the builder motions thereof.

The object in view'isvthe retardation of the builder motion let-oli for reducing I'the length of the traverse at the beginning of the bobbin winding operation for producingk a feeler bunch, and the automatic release ofthe builder motion let-off for enabling the ring rail to havevfull traverse at the completion of the bunch. 1

With this and further objects in view, as will in part become apparent andinpart be stated, the invention comprisescertain novel constructions, combinations, and arrangements of parts as will besubsequently specied and claimed. c

In the accompanying drawing: Figure 1 is a fragmentary side elevation of partof a spinning machine embodying the featuresf of the present invention., Fig. 2 isv an enlarged detail, sectional elevation taken on the plane indicated by line 2-2 of Fig. 1 and looking in the direction indicated by the arrow.A Fig. 3 is a sectional elevation of the let-ofi: control rods detached.'k Fig. l is a similar viewof a modified form of one of the`rods. Figs. 5 and 6' are detail perspective views of dilferentlength control sections adapted for substitute use for varying the size of the bunch. v 4

Referringl to the drawing by numerals, 1 indicates anl ordinary spinning frame,`hav

ing the usual supporting bars 2, 2, brackets f 3, rock shaft 4 journaled therein, and rocker lever`l5 carried by the rock shaft and prof vided with a counter balance weight 6 and the usual stroke stand 7, whichmaybe connected by a link 8 to a like stroke stand not illustrated. The lever 5 has the usual rocker arm 9` sustaining and actuating-the pusher rod 10, which engages and operates the ring rail 11,pro`vided with the usual yarn guides for delivering yarn to the bobbins 12. builder motion of the screw actuated let-oil type is provided for actuating the stroke PRITCHETT, BOTH OF DANVILLE, VIR- BUNCH-BUrLDER ATTACHMENT.

ASpecification of Letters Patent. Patented Avigo 1Q, 1915s Application fixed March 11,

1915. Serial No. 13,665.

. stand 7, and so far as the builder motion itas are all of the parts above described, thel builder motion consisting of a swinging lever 13, actuated by a cam or other appropriate gear, not illustrated. Lever 13is of usualform and bears akrotatably mounted screw'shaft 14, on which is `threaded a traveling block 15. Oneend portion of screw 14s is' engaged by the regular let-off mechanism of the builder motion consisting of a ratchet wheel 16 engaged by pawl 17, carried by the usual lever 18 pivoted to the outer end of shaft 14 and having a pivotal connection at 19 to the frame of the machine, so that as the lever is successively swung upgand down, the pawl 17 will impart successive steps of rotation to the shaft 14:, and ,thereournaled in the bracket 23, and in turn havlmg its smaller cam'or disk engaged by a chain 24 which extends to and is connected with the strokestand 7, it being understood that the chain 2,0,engages the larger disk or cam of whirl 22, whereby in the ordinary operation of the structure L.described kthus far, all oftheparts of which are-of thek usual form, the successive strokes ofthe lever v13 will impart corresponding strokes tothe pusher rod 10 and thence to 'the ring railll, whereby the requisite traverse is afforded, while at the rsame time, the successive steps in the let-ofi' of chain 20 due to the movement of block 15 alongshaft '14, incidentto the step byfstep rotation of ratchet wheel 16, enable the. stroke stand 7, to have provided 'with ,feeler mechanism for actuating the bobbin ejecting and new bobbin supplying mechanism, and this feelermechan nism depends on its operation for the presence of a bunchl substantially at the point of exhaustion of supply of yarn on thebob? I.

bin. The mechanism describedabove would .not produce such a bunch, and various attempts have been made to provide mechanism which y'will .produce a bunch, although it is believed that no effective automatic bunch builder for the particular 4screw controlled let-off described has been produced, and it is one of the objects of this invention to provide such a bunch builder incidentv to thecontrol of this type of builder motion.

'lo this end, a tubular rod 25 is pivoted to a part of the frame-work, as for instance, to one vof the bars 2 in position to depend toward the. builder motion, and telescoped andarranged within ythe, boreof rod is a controlling section of rod 27, which is located to limit the inward thrust of rod 26 axially of rod 25. :Tovary the distance of'this thrust, the section 27 is provided with any axiallyarranged screw 2S adapted tobe'locked by a radial screw 29. By. settingthe screw 28 at any given point of longitudinal adjustment, the abutting ofthe inner or upper end of rod 26 against the headof the screw 2S whenthe section'r27 has its upper end resting against the closed end of rod V25, will positively limit the ex-` tent of inward or upward thrust of rod 26. As seen in Figs. 5 and 6, instead of varying the effective lengthfof the section 27 by the use ofthe screw 2S, a short control section 27 .may be used :when a long stroke of rod 26is desired, and a long. control section 27 may beemployed when a short stroke of rod 26 is required, andthe relative lengths of the. control sections may be varied as desired, it being, of course, understood thatoiily one section is used at any one time. In lieu of providing a kcontrol section 27, the lower rod may, as indicated in Fig. 4t, be constructed in the form of rod 26"', having an axially located screw 28 adapted for longitudinal". adjustment` to take up the space otherwise occupied by the section 27,

whereby the function ofthe section 27 as to its adjustability, isprovided without the necessity. for providing a separate loose part.

ln operation, when the block 15 is yat its rearmost position and the ring rail 1l is starting its first stroke, the rod 26 will be given' an upward thrust` and will move within rod 25 until the control section 27 strikes the closed upper end of rod 25, or the equivalent ofy section 27 strikes this part,

and,thereupon,the rod-,26 willenter no y mounted telescoping further, and its protruding end with its pivotal engaging eye 26 will prevent the chain 20 from moving on up with the balyis actually delivered thereby. The ring rail l1, therefore, is given only a relatively short traverse in the same length of time which would ordinarily be required to make the full traverse. The result is that the yarn which would ordinarily be delivered for a full stroke of the ring rail, is delivered in a bunch, `and it requires only two or three of such abbreviated strokes to develop the required feeler bunch. It is to be observed that Vthe pivot of rod 25 is so located that as the block l5 progresses along the shaft 11i, and the chain correspondingly progresses, the pivot engaging eye 26 moves away from the axial plane of the pivot of rod 25 so that after the rstcfew strokes of the builder motion (enough to complete the requiredfeeler bunch) ythe pivot engaging Y eye 26y will have moved .sufficiently away .from the axial plane of the pivot of rod 25 as to allow rod25 and rod 26 to swing vertically to an extent permitting the chain 20 to remain straight` between block 25 and pulley 21, whereupon, thel movement imparted vby they chain 2O becomes normal, and

the traverse ofthe ring rail ll accordingly` becomes full and remains the saine throughoutthe balance ofthe winding of the bobbins. The gain is, of course, proportionately affected since during'the retardation incident to the deflection of chain 20 by rods 25 and 26, the `effect of the operation of the let-off mechanism is practically nullified, andthe bunch is built substantially without gain, whereas, as soon as the pivot of rod 26 moves to the position'allowing the full operation of the builder motion,y the gain becomes constant just the same asv the traverse becomes constant.

`What I claim is:

l. The combination, with the builder motion Vof a spinning machine, of pivotally mounted telescoping` rods pivotally connectedto a portionof the builder motion for restricting the extent of effective movement of the initial strokes of the builder motion. l l 2. The combination, with the builder motion of a spinning machine, of pivotallyv mounted telescoping rods pivotally connected .to a portion of the builder motion for restricting the extent of effective move-V ment Aof the initial strokes of Vthe builder motion, and means for varying the extent of reiative telescopic action of said rods.

3. The combination, withthe builder motion of a spinning machine, of pivotally rods pivotally connected to a portion `of the builder motion one of the rods and disposed to engage the other for varying the extent oit' relative telescopic action of the rods.

il. The combination, with the builder motion of a spinning machine, of pivotally mounted telescoping rods pivotally connected to a portion of the builder motion for restricting the extent of effective movement of the initial strokes of the builder motion, and a screw adjustable longitudinally of one of the rods and disposed to interrupt telescopic movement of the rods with respect to each other.

5. The combination, with' a builder motion of a spinning machine, of a swinging rod, and a rod telescoping therewith and connected with a portion of the builder motion for restricting the extent of eli'ective movement of the initial strokes of the Y builder motion.

Copies of this patent may be obtained for rod, and a rod telescoping' therewith and connected with the let-oitl chain of the builder motion for restricting the extent of eiective movement of the initial strokes of the builder motion.

7. The combination, with the builder motion of a spinning machine, of a swinging rod, and a rod telescoping therewith and` connectedk with the let-off chain of the builder motion for restricting the extent of effective movement of the initial strokes of the builder motion, the pivot of the first mentioned rod upon which it swings being located for having the point of connection of the second mentioned rod with the chain move sufficiently away from the axial plane ofsaid pivot for releasing the chain of re-f striction in eective movement by Said rods. In testimony whereof I affix my signature in presence of twowitnesses. h

. Y is Y JESSE X LYLE. mark Witnesses:

HARRY BERMAN, Jr., JrT. BLOUNT.

iive cents each, by addressing the Commissioner of Patents',

Washington, D. G. 

